"1926-09-24Z"^^ . . "Louis H. Mackey"@en . "Louis H. Mackey (September 24, 1926 \u2013 March 25, 2004) was Professor of Philosophy at the University of Texas at Austin."@en . "2004Z"^^ . . "1926Z"^^ . "Mackey, Louis H."@en . . "2004-03-25Z"^^ . "American philosopher" .